The origins of the extrinsic muscles of the hand are the

A) scapula and humerus.
B) flexor retinaculum.
C) humerus, radius, and ulna.
D) carpals and metacarpals.
E) ulna and radius.


C) humerus, radius, and ulna.

Anatomy & Physiology

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Anatomy & Physiology

Slow wave depolarization triggers depolarization of smooth muscle by opening voltage-gated ________ channels.

A. Ca2+ B. K+ C. Ach D. Na+

Anatomy & Physiology

The concentrating mechanism accomplished by the loop of Henle is known as:

a. autoregulation b. countercurrent multiplication c. secondary passive transport d. primary active transport e. distillation

Anatomy & Physiology

The visceral pericardium is also known as the __________.

Fill in the blank(s) with the appropriate word(s).

Anatomy & Physiology